diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 9faeaef..abc83fa 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -2186,6 +2186,8 @@
  */
 void snd_ac97_suspend(struct snd_ac97 *ac97)
 {
+	if (! ac97)
+		return;
 	if (ac97->build_ops->suspend)
 		ac97->build_ops->suspend(ac97);
 	snd_ac97_powerdown(ac97);
@@ -2242,6 +2244,9 @@
 {
 	unsigned long end_time;
 
+	if (! ac97)
+		return;
+
 	if (ac97->bus->ops->reset) {
 		ac97->bus->ops->reset(ac97);
 		goto  __reset_ready;